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Finding the Fourth Proportional to 436,778.14, 655,275.87 and 347,158.98

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Solution

The fourth proportional to 436,778.14, 655,275.87 and 347,158.98 is: 520,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,778.14 : 655,275.87 = 347,158.98 : x
  2. Step 2: Convert to fraction form
    436,778.14/655,275.87 = 347,158.98/x
  3. Step 3: Cross multiply
    436,778.14x = 655,275.87 × 347,158.98
  4. Step 4: Simplify right side
    436,778.14x = 227,484,899,639.27
  5. Step 5: Solve for x
    x = 227,484,899,639.27/436,778.14
  6. Step 6: Final answer
    x = 520,824.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.